Ardea may refer to:Ardea, Lazio, a town in Lazio, Italy Ardea (bird), a genus of large herons and some egrets Ardea (journal), an ornithological journal published by the Netherlands Ornithologists' Union The Ardea, a condominium high-rise building in Portland, Oregon, USA Lancia Ardea, a small car produced by the Turin firm between 1939 and 1953 Aridaia, a small town in Pella, Macedonia, Greece